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@include(snippets/header)
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<div class="pagewrapper">
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<div id="main">
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<div class="pv">
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<header class="pv-head">
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<h1>Privacy</h1>
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<p>What this instance stores, in which form, and for how long. This page is generated from the server's running configuration, so the settings below are the ones actually in effect.</p>
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</header>
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{{-- ── Live configuration ── --}}
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<section class="pv-sec">
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<h2><i class="fa-solid fa-sliders"></i> Current settings</h2>
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<div class="pv-status">
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<div class="pv-stat">
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<span class="pv-stat-label">IP logging</span>
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@if(pv.log_ips)<span class="pv-pill is-on">On</span>@else<span class="pv-pill is-off">Off</span>@endif
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</div>
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<div class="pv-stat">
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<span class="pv-stat-label">IP storage</span>
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@if(pv.ip_mode === 'hashed')<span class="pv-pill is-good">Hashed (HMAC-SHA256)</span>@elseif(pv.ip_mode === 'raw')<span class="pv-pill is-warn">Plain text</span>@else<span class="pv-pill is-good">Not stored</span>@endif
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</div>
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<div class="pv-stat">
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<span class="pv-stat-label">Anonymous login</span>
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@if(pv.anon)<span class="pv-pill is-on">Enabled</span>@else<span class="pv-pill is-off">Disabled</span>@endif
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</div>
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<div class="pv-stat">
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<span class="pv-stat-label">Transport</span>
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@if(pv.https)<span class="pv-pill is-good">HTTPS</span>@else<span class="pv-pill is-warn">HTTP</span>@endif
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</div>
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</div>
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<p class="pv-small">
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@if(pv.ip_mode === 'hashed')IP addresses are logged, but only ever written to the database as <code>HMAC-SHA256(ip, server_secret)</code>. The raw address is not persisted.@endif
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@if(pv.ip_mode === 'raw')IP addresses are logged and written to the database in plain text.@endif
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@if(pv.ip_mode === 'off')IP addresses are not written to the database. They are only held in memory while a request is processed (e.g. to check bans and rate limits).@endif
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</p>
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</section>
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{{-- ── Retention ── --}}
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<section class="pv-sec">
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<h2><i class="fa-solid fa-hourglass-half"></i> Retention</h2>
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<p>A cleanup job runs hourly and deletes or blanks data older than these periods.</p>
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<div class="pv-table">
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<div class="pv-row pv-row-head"><span>Data</span><span>Kept for</span><span>What happens after</span></div>
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<div class="pv-row"><span>Stored IP addresses</span><span class="@if(pv.ret_on.ip)pv-ok@else pv-warn@endif">{{ pv.ret.ip }}</span><span><code>user_ips</code> rows deleted; IP columns on sessions, anonymous identities, uploads, comments, reports and ToS acceptances set to <code>NULL</code>.</span></div>
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<div class="pv-row"><span>Anonymous activity log</span><span class="@if(pv.ret_on.activity)pv-ok@else pv-warn@endif">{{ pv.ret.activity }}</span><span>Rows deleted (action, IP, identity and device fingerprint).</span></div>
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<div class="pv-row"><span>Login attempts</span><span class="@if(pv.ret_on.login)pv-ok@else pv-warn@endif">{{ pv.ret.login }}</span><span>Rows deleted (hashed IP, attempted username, result).</span></div>
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<div class="pv-row"><span>Unused sessions</span><span class="@if(pv.ret_on.sessions)pv-ok@else pv-warn@endif">{{ pv.ret.sessions }}</span><span>Session deleted after this long without use; that device is logged out.</span></div>
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<div class="pv-row"><span>Device fingerprint</span><span class="@if(pv.ret_on.fp)pv-ok@else pv-warn@endif">{{ pv.ret.fp }}</span><span>Cleared from anonymous identities that haven't been used for this long.</span></div>
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<div class="pv-row"><span>Active bans</span><span>Until expiry</span><span>Banned IP hashes and fingerprints are kept until the ban expires or is lifted.</span></div>
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<div class="pv-row"><span>Your content</span><span>Until deleted</span><span>Uploads, comments, favourites and your account itself.</span></div>
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</div>
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</section>
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{{-- ── IP addresses ── --}}
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<section class="pv-sec">
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<h2><i class="fa-solid fa-network-wired"></i> IP addresses</h2>
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<p>The client IP is taken from the first of <code>CF-Connecting-IP</code>, <code>True-Client-IP</code>, <code>X-Client-IP</code>, <code>X-Real-IP</code>, <code>X-Forwarded-For</code> (first entry) or the TCP peer address.</p>
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@if(pv.log_ips)
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<p>With IP logging on, the IP is recorded @if(pv.hash_ips)as an HMAC@else in plain text@endif in:</p>
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<ul class="pv-list">
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<li><code>user_sessions.ip</code>: updated on each request of a logged-in session</li>
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<li><code>user_ips</code>: one row per account and IP with first/last seen time</li>
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<li><code>anon_identities.created_ip / last_ip</code> and <code>anon_activity_log.ip</code> for anonymous identities</li>
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<li><code>items.uploader_ip</code>, <code>comments.ip</code>, <code>reports.reporter_ip</code></li>
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</ul>
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@endif
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@if(pv.hash_ips)
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<p><strong>Hashing:</strong> <code>HMAC-SHA256</code> keyed with a server-side secret, stored as 64 hex characters. The same IP always yields the same hash, which is what makes bans and abuse correlation work; without the secret the hash can't be reversed or recomputed. This is pseudonymisation, not anonymisation: whoever holds the secret could test candidate IPs against it.</p>
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@endif
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<p><strong>Always, regardless of the logging setting:</strong> login and registration attempts store an HMAC of the IP in <code>login_attempts</code> for brute-force rate limiting, and a moderator ban stores the banned IP's hash in <code>banned_ips</code>.</p>
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</section>
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@if(pv.anon)
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{{-- ── Anonymous login ── --}}
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<section class="pv-sec">
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<h2><i class="fa-solid fa-user-secret"></i> Anonymous login (WebAuthn passkey)</h2>
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<p>No email, password or name is involved. <em>Login as Anonymous</em> creates a standard WebAuthn passkey in your authenticator (browser, OS, Bitwarden, iCloud Keychain, …).</p>
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<h3>Registration</h3>
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<ol class="pv-steps">
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<li>The server sends creation options: relying party <code>{{ pv.domain }}</code>, a random single-use challenge, algorithm <strong>ES256</strong> (ECDSA P-256, COSE <code>-7</code>), <code>attestation: "none"</code>, and a user handle of 16 random bytes named <code>anon@{{ pv.domain }}</code> / "Anonymous". Nothing about you goes into it.</li>
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<li>Your authenticator generates a key pair. The <strong>private key never leaves the authenticator</strong>.</li>
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<li>The server verifies the response and stores: the <strong>credential ID</strong>, the <strong>public key</strong> (SPKI), the signature counter, and the authenticator's <strong>AAGUID</strong> (identifies the authenticator model, e.g. a password manager; with attestation "none" it is often all zeros).</li>
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<li>Your identity is derived from the credential ID: <code>SHA256:base64(SHA-256(credential_id))</code>; the account name is <code>anon_</code> plus the first 8 hex characters of that hash (e.g. <code>anon_1ad1e20c</code>).</li>
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</ol>
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<h3>Login</h3>
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<p>The server issues a random single-use challenge; your authenticator signs it with the private key and the server verifies the signature with the stored public key. Up to 4 passkeys can be attached to one identity. If all of them are lost, the identity cannot be recovered: nothing else links it to you.</p>
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</section>
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{{-- ── Device fingerprint ── --}}
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<section class="pv-sec">
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<h2><i class="fa-solid fa-microchip"></i> Device fingerprint</h2>
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<p>At anonymous login and when adding a passkey, your browser computes a device fingerprint used <strong>only for ban enforcement</strong> (so a banned user can't just create a new identity). It is not used for advertising or cross-site tracking.</p>
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<p>Inputs, all read locally in your browser:</p>
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<ul class="pv-list">
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<li>WebGL: unmasked GPU vendor and renderer, 6 capability limits (max texture/renderbuffer size, vertex attribs, uniform/varying vectors, texture units)</li>
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<li>WebGPU adapter info (architecture, vendor, description), where available</li>
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<li><code>navigator.hardwareConcurrency</code>, <code>deviceMemory</code>, <code>platform</code>, <code>maxTouchPoints</code></li>
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<li>Screen width × height, colour depth, device pixel ratio</li>
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<li>Canvas 2D: checksum of a small rendered test image (text + shapes)</li>
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<li>Audio: sum of samples from an <code>OfflineAudioContext</code> rendering a test tone through a compressor</li>
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</ul>
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<p>The values are concatenated and hashed <strong>in the browser</strong> with SHA-256; only <code>HW:<64 hex></code> is sent. The raw values never reach the server. The hash is cached in <code>localStorage</code> (<code>f0ck_anon_hw_fp</code>) and stored server-side in <code>anon_identities.hw_fingerprint</code> and the activity log, and compared against banned device hashes.</p>
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</section>
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{{-- ── Activity log ── --}}
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<section class="pv-sec">
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<h2><i class="fa-solid fa-list-check"></i> Anonymous activity log</h2>
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<p><code>anon_activity_log</code> records these actions of anonymous identities: login/session handshake, favourite, unfavourite, favourites import. Each row holds the action, target item, time, identity fingerprint, device fingerprint, and the IP @if(pv.ip_mode === 'hashed')(hashed)@endif @if(pv.ip_mode === 'off')(empty, as IP logging is off)@endif. It exists for moderation and ban cascades.</p>
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</section>
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@endif
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{{-- ── Sessions & browser storage ── --}}
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<section class="pv-sec">
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<h2><i class="fa-solid fa-cookie"></i> Sessions, cookies and browser storage</h2>
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<ul class="pv-list">
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<li><strong><code>session</code> cookie</strong>: 32 random bytes; the server stores only its SHA-256, so a database leak doesn't expose usable sessions. Flags: <code>HttpOnly</code>, <code>SameSite=Lax</code>@if(pv.https), <code>Secure</code>@endif.</li>
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<li>Per session the server keeps: user agent string, creation time, last-used time, the last path requested, a CSRF token@if(pv.log_ips), and the IP@endif.</li>
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<li><code>localStorage</code>: UI preferences, and for anonymous users the device fingerprint hash.</li>
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<li><code>f0ck_banned</code> cookie / <code>f0ck_anon_tombstone</code>: only set if you are banned, to show the ban notice.</li>
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</ul>
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<p>Registered accounts: passwords are hashed with <strong>scrypt</strong> (random 16-byte salt, 64-byte key). The plain password is never stored.</p>
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</section>
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<section class="pv-sec">
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<h2><i class="fa-solid fa-ban"></i> Not collected</h2>
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<p>For anonymous identities: no email, real name, phone number or password. No third-party analytics, trackers or ad networks are involved in authentication.</p>
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</section>
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<p class="pv-foot">Questions? See <a href="/about">About</a>@if(mail) or write to <a href="mailto:{!! mail !!}">{!! mail !!}</a>@endif.</p>
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</div>
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<style>
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.pv {
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--pv-accent: var(--accent, #0096ff);
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--pv-text: var(--text-color, #fff);
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--pv-muted: var(--text-muted, #8a8f98);
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--pv-surface: rgba(255, 255, 255, 0.04);
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--pv-border: rgba(255, 255, 255, 0.1);
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--pv-good: #3ecf8e;
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--pv-warn: #ffb020;
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max-width: 860px; margin: 0 auto; padding: 32px 16px 60px; color: var(--pv-text); line-height: 1.6;
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}
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.pv * { border-radius: 0 !important; }
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.pv-head { padding-bottom: 18px; margin-bottom: 26px; border-bottom: 1px solid var(--pv-accent); }
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.pv-head h1 { margin: 0; font-size: 1.8em; font-weight: 800; }
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.pv-head p { margin: 6px 0 0; color: var(--pv-muted); }
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.pv-sec { margin-bottom: 32px; }
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.pv-sec h2 { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; font-size: 1.1em; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; }
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.pv-sec h2 i { color: var(--pv-accent); font-size: 0.9em; }
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.pv-sec h3 { margin: 18px 0 8px; font-size: 0.9em; font-weight: 700; color: var(--pv-muted); text-transform: uppercase; letter-spacing: 0.08em; }
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.pv p { margin: 0 0 10px; }
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.pv a { color: var(--pv-accent); }
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.pv code { padding: 1px 5px; font-size: 0.86em; background: var(--pv-surface); border: 1px solid var(--pv-border); word-break: break-word; }
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.pv-small { font-size: 0.88em; color: var(--pv-muted); }
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.pv-steps, .pv-list { margin: 0 0 12px; padding-left: 22px; }
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.pv-steps li, .pv-list li { margin-bottom: 6px; }
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.pv-status { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-bottom: 12px; background: var(--pv-border); border: 1px solid var(--pv-border); }
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.pv-stat { display: flex; flex-direction: column; gap: 8px; padding: 12px 14px; background: var(--bg, #000); }
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.pv-stat-label { font-size: 0.72em; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; color: var(--pv-muted); }
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.pv-pill { align-self: flex-start; padding: 3px 9px; font-size: 0.78em; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; border: 1px solid currentColor; }
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.pv-pill.is-on { color: var(--pv-accent); }
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.pv-pill.is-off { color: var(--pv-muted); }
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.pv-pill.is-good { color: var(--pv-good); }
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.pv-pill.is-warn { color: var(--pv-warn); }
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.pv-table { border: 1px solid var(--pv-border); font-size: 0.88em; }
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.pv-row { display: grid; grid-template-columns: 1fr 0.7fr 2fr; gap: 12px; padding: 10px 14px; background: var(--pv-surface); }
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.pv-row + .pv-row { border-top: 1px solid var(--pv-border); }
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.pv-row-head { background: transparent; font-size: 0.8em; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; color: var(--pv-muted); }
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.pv-row span:first-child { font-weight: 700; }
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.pv-row span:last-child { color: var(--pv-muted); }
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.pv-row-head span { font-weight: 800 !important; }
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.pv-ok { color: var(--pv-good); font-weight: 700; }
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.pv-warn { color: var(--pv-warn); font-weight: 700; }
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.pv-foot { margin-top: 36px; padding-top: 16px; border-top: 1px solid var(--pv-border); color: var(--pv-muted); font-size: 0.9em; }
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@media (max-width: 700px) {
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.pv-status { grid-template-columns: repeat(2, 1fr); }
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}
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@media (max-width: 600px) {
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.pv-row { grid-template-columns: 1fr; gap: 2px; }
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.pv-row-head { display: none; }
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}
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</style>
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</div>
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</div>
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@include(snippets/footer)
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Block a user